Stage 2+ 2006 WRX

Before I get flamed for asking this question, I did conduct an extensive search to try to answer it before coming here, but the only answers I could find were either people who were running the COBB Stage 2 OTS maps, or people with the newest generation of WRX. My question is: approximately how much WHP and WTQ can I expect to make now that my car has been protuned to Stage 2+?

Mods:
Tomei UEL headers with uppipe
Invidia catless downpipe
Perrin catback exhaust
Tomei turbo inlet
Perrin short-ram air intake
Perrin AOS
COBB EBCS
COBB lightweight crank pulley
Koyorad aluminum racing radiator

Stage 2+ on 91 octane
Peak boost: 17.2 PSI

Tuned by Eric at Torqued Performance

Again, I know I will need to eventually throw my car on a dyno to know for sure, I'm just trying to get an approximation.

Thanks!

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